30 April 2013, 12:00 PM ET
A daily measure of public happiness goes online.
30 April 2013, 10:09 AM ET
This time-lapse movie shows biofilm growth and streamer formation over a period of about 56 hours.
29 April 2013, 09:04 PM ET
Drugs that block estrogen may prevent breast cancer in some women, according to a new review of studies.
29 April 2013, 05:47 PM ET
All teens and adults ages 15 to 65 should be screened for HIV, according to new recommendations from a government-appointed panel.
29 April 2013, 04:16 PM ET
Children who move to the United States have a lower risk of allergies than kids born in this country.
29 April 2013, 03:36 PM ET
Mad cow-related disease could kill up to 1,000 people.
29 April 2013, 12:17 PM ET
The 22-year-old woman is now six weeks pregnant, according to a report.
29 April 2013, 09:52 AM ET
The plastic surgery procedure that saw the biggest uptick between the years 2000 and 2012 was the upper arm lift, according to a new report.
26 April 2013, 09:44 PM ET
Is new bird flu spreading from human to human?
26 April 2013, 09:24 PM ET
If you have a rare disease, who will help?
26 April 2013, 03:55 PM ET
Patients who reported higher levels of belief in God had better treatment outcomes.
26 April 2013, 03:34 PM ET
Denial is a protective mechanism, psychologists say.
26 April 2013, 12:43 PM ET
Anatomy labs have changed over the years, but they remain an irreplaceable part of medical training.
26 April 2013, 12:33 PM ET
Bullfrogs' hair cells yield clues on how humans detect faint sounds.
26 April 2013, 08:20 AM ET
A tiny particle dressed up as a red blood cell could fight snake venom, deadly bacteria and several other pathogens
25 April 2013, 04:20 PM ET
Salmonella linked to contaminated cucumbers has sickened at least 73 people.
25 April 2013, 03:39 PM ET
Deep brain stimulation may be an effective way to reduce binge eating and other obesity-related behaviors.
25 April 2013, 02:27 PM ET
25 April 2013, 02:08 PM ET
Tiny ball-like particles could someday neutralize venom and bacteria in humans.
25 April 2013, 01:13 PM ET
Many women in their 40s continue to undergo screening for breast cancer despite recent guidelines that recommended against routine screening for this age group,
25 April 2013, 12:55 PM ET
Children at a high risk of developing autism were more likely to have certain abnormal structures within the placenta, a new study says.
25 April 2013, 11:28 AM ET
Here's what an investigation of 82 people infected with the new bird flu virus can tell us about the disease.
25 April 2013, 09:49 AM ET
Poultry markets in Shanghai are likely one source of H7N9 bird flu infections.
25 April 2013, 09:43 AM ET
Learning to speak relies on motor skills and positive reinforcement.
25 April 2013, 07:28 AM ET
Sexually explicit media explains only a small portion of differences in teen sexual behavior.